package cn.tedu.ivos.user.service.impl;

import cn.tedu.ivos.base.exception.ServiceException;
import cn.tedu.ivos.base.response.StatusCode;
import cn.tedu.ivos.base.util.PasswordUtil;
import cn.tedu.ivos.user.mapper.UserMapper;
import cn.tedu.ivos.user.pojo.dto.UserLoginParam;
import cn.tedu.ivos.user.pojo.dto.UserQuery;
import cn.tedu.ivos.user.pojo.dto.UserSaveParam;
import cn.tedu.ivos.user.pojo.entity.User;
import cn.tedu.ivos.user.pojo.vo.UserVO;
import cn.tedu.ivos.user.service.UserService;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.BeanUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;

import java.util.ArrayList;
import java.util.Date;
import java.util.List;

@Service//表示当前类为此接口对应的实现类，注入该类对象
@Slf4j
public class UserServiceImpl implements UserService {
    @Autowired
    UserMapper userMapper;
    @Override
    public UserVO login(UserLoginParam userLoginparam) {
        log.debug("用户登录业务：{}", userLoginparam);
        UserVO userVO =userMapper.selectByUsername(userLoginparam.getUsername());
        /*如果业务层遇到了问题,不能直接返回结果给前端,而是要抛出业务层异常,
          让全局异常处理器来处理一旦抛出异常,结果是由全局异常处理器来返回给前端的,就不走controller 了 */
        if (userVO == null) {
            throw new ServiceException(StatusCode.USERNAME_ERROR);
        }
        if (!userVO.getPassword().equals(userLoginparam.getPassword())) {
            throw new ServiceException(StatusCode.PASSWORD_ERROR);
        }
        log.debug("查询到的用户信息：{}", userVO);
        return userVO;
    }

    @Override
    public List<UserVO> selectUser(UserQuery userQuery) {
        log.debug("用户查询业务：{}", userQuery);
        List<UserVO> list = userMapper.selectUser(userQuery);
        return list;
    }

    @Override
    public void insert(UserSaveParam userSaveParam) {
        log.debug("保存用户业务，{}", userSaveParam);
        User user = new User();
        BeanUtils.copyProperties(userSaveParam, user);
        if(user.getId()==null){
            user.setPassword("123456");
            user.setCreateTime(new Date());
            userMapper.insert(user);
        }else {
            user.setUpdateTime(new Date());
            userMapper.update(user);
        }

    }

    @Override
    public void resetPassword(Long userId) {
        log.debug("重置密码业务，{}", userId);
        User user=new User();
        user.setId(userId);
        //user.setPassword("root");
        //调用密码生成器生成于个随机的7位新密码
        user.setPassword(PasswordUtil.generateRandomPassword(7));
        user.setUpdateTime(new Date());
        userMapper.update(user);
    }

    @Override
    public void updateStatus(Long userId, String status) {
        log.debug("修改状态业务，{},{}", userId, status);
        User user=new User();
        user.setId(userId);
        user.setStatus(status);
        user.setUpdateTime(new Date());
        userMapper.update(user);
    }

    @Override
    public void deleteUser(Long userId) {
        log.debug("删除用户业务，{}", userId);
        userMapper.deleteUser(userId);
    }
    @Override
    public List<UserVO> selectAuditList(Long parentId){
        log.debug("查询审核列表业务，{}", parentId);
        //1.准备空集合用来保存多个查出来的审批人
        ArrayList<UserVO> userVOList=new ArrayList<>();
        //2.先根据参数将当前登录人的直属领导查出来
        UserVO auditUser1=userMapper.selectById(parentId);
        userVOList.add(auditUser1);
        //3.如果有查出直属领导，且领导还有领导，再把上上级领导查出来
        if(auditUser1 !=null && auditUser1.getParentId()!=null){
            UserVO auditUser2=userMapper.selectById(auditUser1.getParentId());
            userVOList.add(auditUser2);
        }
        //4.将准备好的审批人列表返回
        return userVOList;
    }
}
